255162880

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:550

約数の個数: 160

約数和(自身を含む): 724775040

約数和(自身を除く): 469612160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 160, 203, 224, 232, 256, 280, 290, 320, 406, 448, 464, 491, 512, 560, 580, 640, 812, 896, 928, 982, 1015, 1120, 1160, 1280, 1624, 1792, 1856, 1964, 2030, 2240, 2320, 2455, 2560, 3248, 3437, 3584, 3712, 3928, 4060, 4480, 4640, 4910, 6496, 6874, 7424, 7856, 8120, 8960, 9280, 9820, 12992, 13748, 14239, 14848, 15712, 16240, 17185, 17920, 18560, 19640, 25984, 27496, 28478, 31424, 32480, 34370, 37120, 39280, 51968, 54992, 56956, 62848, 64960, 68740, 71195, 74240, 78560, 99673, 103936, 109984, 113912, 125696, 129920, 137480, 142390, 157120, 199346, 219968, 227824, 251392, 259840, 274960, 284780, 314240, 398692, 439936, 455648, 498365, 519680, 549920, 569560, 628480, 797384, 879872, 911296, 996730, 1099840, 1139120, 1256960, 1594768, 1759744, 1822592, 1993460, 2199680, 2278240, 3189536, 3645184, 3986920, 4399360, 4556480, 6379072, 7290368, 7973840, 8798720, 9112960, 12758144, 15947680, 18225920, 25516288, 31895360, 36451840, 51032576, 63790720, 127581440, 255162880]

約数ペア:

[(1, 255162880), (2, 127581440), (4, 63790720), (5, 51032576), (7, 36451840), (8, 31895360), (10, 25516288), (14, 18225920), (16, 15947680), (20, 12758144), (28, 9112960), (29, 8798720), (32, 7973840), (35, 7290368), (40, 6379072), (56, 4556480), (58, 4399360), (64, 3986920), (70, 3645184), (80, 3189536), (112, 2278240), (116, 2199680), (128, 1993460), (140, 1822592), (145, 1759744), (160, 1594768), (203, 1256960), (224, 1139120), (232, 1099840), (256, 996730), (280, 911296), (290, 879872), (320, 797384), (406, 628480), (448, 569560), (464, 549920), (491, 519680), (512, 498365), (560, 455648), (580, 439936), (640, 398692), (812, 314240), (896, 284780), (928, 274960), (982, 259840), (1015, 251392), (1120, 227824), (1160, 219968), (1280, 199346), (1624, 157120), (1792, 142390), (1856, 137480), (1964, 129920), (2030, 125696), (2240, 113912), (2320, 109984), (2455, 103936), (2560, 99673), (3248, 78560), (3437, 74240), (3584, 71195), (3712, 68740), (3928, 64960), (4060, 62848), (4480, 56956), (4640, 54992), (4910, 51968), (6496, 39280), (6874, 37120), (7424, 34370), (7856, 32480), (8120, 31424), (8960, 28478), (9280, 27496), (9820, 25984), (12992, 19640), (13748, 18560), (14239, 17920), (14848, 17185), (15712, 16240)]